两根茎同时放一个洞

The exam rooms for senior high school students are distributed in various classrooms throughout the teaching building. The exams are separated to prevent cheating. What's more, Ji Feng is second in the grade. Only those who plagiarize Tong Lei can achieve this result. However, he and Tong Lei are not in the same examination room. Everyone else's scores are much lower than his. Who can he copy? ?...